209521208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{106033}}^1$

素因数の和:106071

約数の個数: 32

約数和(自身を含む): 445342800

約数和(自身を除く): 235821592

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 106033, 212066, 424132, 848264, 1378429, 2014627, 2756858, 4029254, 5513716, 8058508, 11027432, 16117016, 26190151, 52380302, 104760604, 209521208]

約数ペア:

[(1, 209521208), (2, 104760604), (4, 52380302), (8, 26190151), (13, 16117016), (19, 11027432), (26, 8058508), (38, 5513716), (52, 4029254), (76, 2756858), (104, 2014627), (152, 1378429), (247, 848264), (494, 424132), (988, 212066), (1976, 106033)]